A180923 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A180923

Numbers n such that 111*n + 1 is prime.

0

2, 16, 18, 20, 26, 28, 30, 38, 40, 42, 46, 56, 60, 62, 68, 72, 82, 86, 88, 96, 110, 112, 118, 130, 132, 138, 140, 150, 156, 158, 160, 166, 178, 192, 196, 210, 216, 220, 226, 228, 240, 242, 248, 250, 266, 276, 278, 280, 290, 292, 300, 306, 320, 326, 342, 348, 350

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..57.

MATHEMATICA

Select[Range[400], PrimeQ[111# + 1] &] (* Harvey P. Dale, Jan 04 2011 *)

PROG

(PARI) is(n)=isprime(111*n+1) \\ Charles R Greathouse IV, Jun 13 2017

CROSSREFS

Sequence in context: A217307 A282408 A282838 * A058242 A101075 A022370

Adjacent sequences: A180920 A180921 A180922 * A180924 A180925 A180926

KEYWORD

easy,nonn

AUTHOR

Jason Earls, Sep 25 2010

STATUS

approved